Strukturalisme

MLA

Piaget, Jean, and Leo Rijkens. Strukturalisme. Meppel: Boom, 1969.

APA

Piaget, J., & Rijkens, L. (1969). Strukturalisme. Meppel: Boom.

Chicago

Piaget, Jean, Strukturalisme. Translated by Leo Rijkens. Meppel: Boom, 1969.